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erc-c/include/apple2.mem.h
Peter Evans e7a404508e Add init functions for disk2, sys rom
Also move the defines for bank offset, rom size, etc. into apple2.mem.h
which makes a little more sense.
2018-01-03 15:07:19 -06:00

33 lines
726 B
C

#ifndef _APPLE2_MEM_H_
#define _APPLE2_MEM_H_
#include "apple2.h"
#include "vm_segment.h"
#define APPLE2_DISK2_ROM_OFFSET 0xC600
#define APPLE2_DISK2_ROM_SIZE 0x100
/*
* The size of our block of ROM is 12k
*/
#define APPLE2_ROM_SIZE 0x3000
/*
* Whereas the second bank of RAM is a mere 4k
*/
#define APPLE2_RAM2_SIZE 0x1000
/*
* This is the base address (or offset) for all bank-switched memory
*/
#define APPLE2_BANK_OFFSET 0xD000
extern vm_8bit apple2_mem_read_bank(vm_segment *, size_t, void *);
extern void apple2_mem_write_bank(vm_segment *, size_t, vm_8bit, void *);
extern void apple2_mem_map(apple2 *);
extern int apple2_mem_init_disk2_rom(apple2 *);
extern int apple2_mem_init_sys_rom(apple2 *);
#endif